(22) 03.11.2015
(43) 12.05.2016
(57) Methods of making calcium sulfate whiskers are provided. In one aspect, a method includes autoclaving a slurry of calcium sulfate hemihydrate and water to form...
(22) 07.11.2014
(43) 12.05.2016
(57) The present disclosure relates to a liquid agent that mitigates shrinkage of cement, particularly cement used in a hydrocarbon-producing well. The anti-shrinkage...
(22) 19.02.2015
(43) 20.05.2016
(57) Field: mining. Substance: invention relates to installation for dehydration of gypsum. Plant includes a housing, a source of heat carrier, a shaft for movement of...
(22) 31.10.2014
(43) 10.05.2016
(57) Field: technological processes. Substance: invention relates to devices for making cement. Furnace includes rotation drive and rotary drum, inside which along its...
(22) 18.12.2015
(43) 23.06.2016
(57) Cement composition suitable for cementing a well, and method of preparing the cement composition is disclosed. The cement composition comprises cement, water and a...
(22) 27.02.2014
(43) 03.09.2015
(57) Embodiments relate to cementing operations and, in certain embodiments, to passivated cement accelerators and methods of using passivated cement accelerators in...
(22) 22.10.2014
(43) 04.06.2015
(57) A gypsum slurry obtained by mixing calcined gypsum with starch phosphate carbamate, an organopolysiloxane and water.
(71) Yoshino Gypsum Co., Ltd., Tokyo (JP)
(84)...
On 31.05.2016, the new Möllers Group Academy was ceremonially opened at the Möllers Group headquarters in Beckum/Germany. The company presented its new in-house training center to numerous...
On 26.05.2016, Cemex, S.A.B. de C.V. announced that it has closed the sale of its operations in Bangladesh and Thailand to Siam City Cement Public Company Limited for approximately US$ 53 million....
On 13.06.2016, LafargeHolcim released its Sustainability Report 2015 that outlines the group’s economic, environmental and social performance and presents LafargeHolcim’s ambitious objectives as...
